diff --git a/src/components/Toolbar.jsx b/src/components/Toolbar.jsx
index b0a0b72..9f7516b 100644
--- a/src/components/Toolbar.jsx
+++ b/src/components/Toolbar.jsx
@@ -80,7 +80,8 @@ export default class Toolbar extends React.Component {
     // A dict of source id's and the available source layers
     sources: PropTypes.object.isRequired,
     onInspectModeToggle: PropTypes.func.isRequired,
-    children: PropTypes.node
+    children: PropTypes.node,
+    onToggleModal: PropTypes.func,
   }
 
   constructor(props) {